/*
 * This file is part of the eccOS Library.
 * Copyright (C) 2007.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */
package org.openeccos.gui;

import java.util.EventListener;

import org.openeccos.properties.DlgRichTextAreaProperties;

import nextapp.echo2.app.Alignment;
import nextapp.echo2.app.Button;
import nextapp.echo2.app.Column;
import nextapp.echo2.app.Extent;
import nextapp.echo2.app.Insets;
import nextapp.echo2.app.Row;
import nextapp.echo2.app.event.ActionEvent;
import nextapp.echo2.app.event.ActionListener;
import nextapp.echo2.app.event.EventListenerList;
import nextapp.echo2.app.layout.ColumnLayoutData;
import nextapp.echo2.webrender.output.CssStyle;
import echopointng.ButtonEx;
import echopointng.DirectHtml;
import echopointng.RichTextArea;

/**
 * A modal editor for rich text
 *
 * @author cgspinner@web.de
 */
public class PDDialogRichText extends PDDialog {

	private DirectHtml directHtml;
	private boolean editable;
	private EventListenerList eventListenerList = new EventListenerList();
	private RichTextArea richTextArea;

	public PDDialogRichText(String title, boolean editable) {
		super(title);
		setWidth(new Extent(617));
		setHeight(new Extent(390));
		this.editable = editable;
		initGUI();
	}

	public void addActionListener(ActionListener listener) {
		eventListenerList.addListener(ActionListener.class, listener);
	}

	protected void btnCancelClicked() {
		userClose();
	}

	protected void btnUpdateClicked() {
		fireActionEvent(new ActionEvent(this, null));
		userClose();
	}

	public void delActionListener(ActionListener listener) {
		eventListenerList.removeListener(ActionListener.class, listener);
	}

	public void fireActionEvent(ActionEvent evt) {
		EventListener[] eventListeners = getActionListener();

		for (int i = 0; i < eventListeners.length; i++) {
			ActionListener listener = (ActionListener) eventListeners[i];
			listener.actionPerformed(evt);
		}
	}

	public EventListener[] getActionListener() {
		return eventListenerList.getListeners(ActionListener.class);
	}

	public String getText() {
		if (editable) {
			return richTextArea.getText();
		}

		return directHtml.getText();
	}

	private void initGUI() {
		Column col = new Column();
		add(col);

		ColumnLayoutData cld;

		// TextArea
		if (editable) {
			richTextArea = new RichTextArea();
			richTextArea.setWidth(new Extent(1));
			richTextArea.setHeight(new Extent(300));
			cld = new ColumnLayoutData();
			cld.setInsets(new Insets(5, 5, 5, 5));
			richTextArea.setLayoutData(cld);

			col.add(richTextArea);
		} else {
			directHtml = new DirectHtml();
			cld = new ColumnLayoutData();
			cld.setInsets(new Insets(5, 5, 5, 5));
			directHtml.setLayoutData(cld);
			col.add(directHtml);
		}

		// Command Buttons
		Row row = new Row();
		row.setCellSpacing(new Extent(10));
		row.setAlignment(new Alignment(Alignment.RIGHT, Alignment.CENTER));
		cld = new ColumnLayoutData();
		cld.setInsets(new Insets(5, 5, 5, 5));
		row.setLayoutData(cld);
		col.add(row);

		if (editable) {
			Button btnUpdate = new Button(DlgRichTextAreaProperties.save());
			btnUpdate.setStyle(ButtonEx.DEFAULT_STYLE);
			btnUpdate.setWidth(new Extent(60));
			btnUpdate.setAlignment(new Alignment(Alignment.CENTER, Alignment.CENTER));
			btnUpdate.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					btnUpdateClicked();
				}
			});
			row.add(btnUpdate);

			Button btnCancel = new Button(DlgRichTextAreaProperties.cancel());
			btnCancel.setStyle(ButtonEx.DEFAULT_STYLE);
			btnCancel.setWidth(new Extent(80));
			btnCancel.setAlignment(new Alignment(Alignment.CENTER, Alignment.CENTER));
			btnCancel.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					btnCancelClicked();
				}
			});
			row.add(btnCancel);
		} else {
			Button btnOk = new Button(DlgRichTextAreaProperties.ok());
			btnOk.setStyle(ButtonEx.DEFAULT_STYLE);
			btnOk.setWidth(new Extent(60));
			btnOk.setAlignment(new Alignment(Alignment.CENTER, Alignment.CENTER));
			btnOk.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent e) {
					btnCancelClicked();
				}
			});
			row.add(btnOk);
		}
	}

	public void setText(String text) {
		if (editable) {
			richTextArea.setText(text);
		} else {
			StringBuffer strbuf = new StringBuffer();
			CssStyle style = new CssStyle();
			style.setAttribute("width", "100%");
			style.setAttribute("height", "300px");
			style.setAttribute("overflow", "scroll");
			strbuf.append("<div style=\"");
			strbuf.append(style.renderInline());
			strbuf.append(">");
			strbuf.append(text);
			strbuf.append("</div>");

			directHtml.setText(strbuf.toString());
		}
	}
}